![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4c57843f676fc4c5a7a71ee09e22a8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab6b28c29a9e823cf1d6c764323d7e15.png)
A.(0,2) | B.![]() | C.![]() | D.![]() |
【知识点】 利用导数研究函数的零点 已知方程求双曲线的渐近线
A.a≤0 | B.a≤l | C.a≤2 | D.a![]() |
【知识点】 利用导数研究不等式恒成立问题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10598d0a635de4680faac2f1ff70fd98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e62b4844e48b188539ea1f40ae83821.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c47ccc8d7980f7cce9147645ef52e78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5069e391d8db54124b9b0d66e825d19f.png)
A.1 | B.-1 | C.-3 | D.3 |
【知识点】 函数基本性质的综合应用 利用导数研究函数的零点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9eecfef151db822d76d92d53cd7fb3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 利用导数研究函数图象及性质 根据极值点求参数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f0e9c04402a0ffdaa25c3e3c82c7dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22da00958625f8aa7c6bae3f5a871c6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5780f2b4756fd7c8084a093323cf4a3.png)
A.0 | B.1 | C.2 | D.3 |
【知识点】 利用导数研究函数的零点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c36dc32234ae67dce25ea3dc767eb86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f9624a4db0f489d1d75f29314915897.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17641d15644d5fb2c79fd1016b21520f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6154e00013d9dee84c0e941f676ea9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23e0226d4bc4ac4580c5ad11fc67455b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9794f5e72b8d5231af7634b09721080c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
A.(﹣1,0)∪(1,+∞) | B.(﹣∞,0)∪(0,1) |
C.(﹣∞,﹣1)∪(1,+∞) | D.(﹣1,0)∪(0,1) |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c84ac09c17e4d2a5756f7dc28b47209.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e61c9a7ed0961f8977a21dab37aab396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4823e3917929f102d99a8db8e2d569f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b32f6b7fac34b0aabe7d16f9b77b388.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 根据零点求函数解析式中的参数 利用导数研究函数的零点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9682a29ce08d536d85cc5c55509c0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30ce28b2fe3ea6936b98bc29075d5a47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
【知识点】 利用导数研究不等式恒成立问题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a4607e77788a728d202224277700e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/422cea45a0511fbc574c0443387b1d11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.2 | B.![]() | C.0 | D.1 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c872eee8420021effb78b3483a2eade.png)
A.当![]() ![]() |
B.对于任意的![]() ![]() |
C.对于任意的![]() ![]() ![]() |
D.对于任意的![]() ![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28bd8a100f995d01627c3cb6a2ae8c83.png)
A.![]() ![]() ![]() |
B.![]() |
C.![]() |
D.若![]() ![]() ![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d42bc1614c3372edf362b4c07154fba.png)
A.![]() ![]() |
B.函数![]() |
C.存在正整数![]() ![]() |
D.对任意两个正实数![]() ![]() ![]() ![]() ![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7c4adef3485e8ac6e50d1926365327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7d191c099381ac17a6fb1505c6c7dec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4d12362d4b8dd25813953e1c5a94b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.![]() ![]() |
B.![]() ![]() ![]() ![]() ![]() |
C.函数![]() |
D.![]() ![]() ![]() ![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f05a874fec96b47ecacd26431c316005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/467e1582daa2d4c595c25bb43238a387.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bba85be221c2f76949656127a608413f.png)
【知识点】 由函数在区间上的单调性求参数 利用导数研究双变量问题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9682a29ce08d536d85cc5c55509c0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15dadcd4e7766bdd9b630a3cb9a520b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cc4136bd17997e11a7f8abcb19f9018.png)
【知识点】 利用导数研究不等式恒成立问题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32920697dfbdb9a3b35f890f72c9fefd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc715cbbe7e7c19f16ad98cdfeb22b9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56cb09dfe864c243b2f9f9e2d2c56f0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6938b1a998e19dc0a9e5520127cfffac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e69866076dcff686a05e9e91e61e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a9589f30699d1a766f1e700cc88a344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4becdb68935f769aa2271f454260f859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed68f60ab25dccc0fdabe6a8efbece2.png)
【知识点】 利用导数研究函数的零点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86797ad2fcceda31b61d759283c9ec2b.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3047d4ab078dafc06c047bcbf0a6ffaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
【知识点】 求在曲线上一点处的切线方程(斜率) 利用导数研究函数的零点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58457aed358e1c2b492d4c1f47830b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c3615e8462b5e6ed29b53a1d9dbb18c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d331ae56b468e4a42cb63e8bfeb0c8da.png)
(1)求函数f(x)的解析式;
(2)判断函数f(x)在(0,π)内的零点个数,并加以证明
【知识点】 函数单调性、极值与最值的综合应用 利用导数研究函数的零点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6c70168a40f0b9653c2111cdc5fb6c.png)
(1)若a=1,f(x)在(0,+∞)上是单调增函数,求b的取值范围;
(2)若a≥2,b=1,求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ede389b43c78417912542746d91d00.png)
【知识点】 由函数在区间上的单调性求参数 利用导数研究方程的根
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61df07ccabe7a0f087b90bc082849e26.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)证明:对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/599b100243599b6dc57c333a829c129f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0650d3c8b433c45ee0106f5bb0a92581.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f92d7cca3e1885de967b55ca28815a3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d217c7b12e12e5fb67472452518859ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
【知识点】 求在曲线上一点处的切线方程(斜率) 利用导数研究函数的零点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa33d59e5dbf09de7bec77b7b93c8a54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56296c0175c6bc21e3fd72f3729f203e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfe44972e8bf50ec9d250f298bbee0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d217c7b12e12e5fb67472452518859ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ada614cad3753cece08e6771c357d09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706bdd95c9aaef4906b42b675a124b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
【知识点】 由导数求函数的最值(不含参) 利用导数研究不等式恒成立问题